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Commit a331de3b authored by Christoph Hellwig's avatar Christoph Hellwig Committed by David S. Miller
Browse files

net: remove sock_poll_busy_flag 



Fold it into the only caller to make the code simpler and easier to read.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f641f13b

include/net/busy_poll.h

+0 −6
Original line number Original line Diff line number Diff line
@@ -121,12 +121,6 @@ static inline void sk_busy_loop(struct sock *sk, int nonblock) 
#endif

#endif

}

}





/* if this socket can poll_ll, tell the system call */

static inline __poll_t sock_poll_busy_flag(struct socket *sock)

{

	return sk_can_busy_loop(sock->sk) ? POLL_BUSY_LOOP : 0;

}



/* used in the NIC receive handler to mark the skb */

/* used in the NIC receive handler to mark the skb */

static inline void skb_mark_napi_id(struct sk_buff *skb,

static inline void skb_mark_napi_id(struct sk_buff *skb,

				    struct napi_struct *napi)

				    struct napi_struct *napi)

net/socket.c

+11 −5
Original line number Original line Diff line number Diff line
@@ -1130,15 +1130,21 @@ EXPORT_SYMBOL(sock_create_lite); 
static __poll_t sock_poll(struct file *file, poll_table *wait)

static __poll_t sock_poll(struct file *file, poll_table *wait)

{

{

	struct socket *sock = file->private_data;

	struct socket *sock = file->private_data;

	__poll_t events = poll_requested_events(wait);

	__poll_t events = poll_requested_events(wait), flag = 0;





	if (!sock->ops->poll)

	if (!sock->ops->poll)

		return 0;

		return 0;





	if (sk_can_busy_loop(sock->sk)) {

		/* poll once if requested by the syscall */

		/* poll once if requested by the syscall */

	if (sk_can_busy_loop(sock->sk) && (events & POLL_BUSY_LOOP))

		if (events & POLL_BUSY_LOOP)

			sk_busy_loop(sock->sk, 1);

			sk_busy_loop(sock->sk, 1);

	return sock->ops->poll(file, sock, wait) | sock_poll_busy_flag(sock);



		/* if this socket can poll_ll, tell the system call */

		flag = POLL_BUSY_LOOP;

	}



	return sock->ops->poll(file, sock, wait) | flag;

}

}





static int sock_mmap(struct file *file, struct vm_area_struct *vma)

static int sock_mmap(struct file *file, struct vm_area_struct *vma)